Electromagnetic waves cause brain cancer ?

[Fireball]

I know that there are no evidence on that what so ever, but what if we don't have evidence on that because we don't have the technology to prove it yet.

My feeling is that excessive exposure to highly intense EM waves might be a reason for brain cancer, as it happened a lot in my country, people who live in a building underneath a cell-site/mask do get brain cancer more often. One can tell something from the correlation alone, right ?

Yes, of course electromagnetic waves cause cancer, and we've had the technology to prove that since WWII! Maybe you've heard of what happens when people are exposed to gamma rays, x-rays, ultraviolet rays, radioactive elements...

How long have you been using a cell phone? Most people have carried one for the past 15-20 years, so how can we not all be dead? Maybe it's because phones, like your microwave oven, uses lower frequency waves than visible light. Yup, we get brain tumors because we use electromagnetic waves to navigate, if we're getting cancer from the waves which drive our phones and gadgets too.

It's not just the wavelength which determines the impact, but the intensity as well. Light which is too intense will cause blindness, sound waves which are  too intense (voluminous) will make you deaf, and in still greater intensity can actually cause other severe injuries or death. I'm neither a physicist nor a biologist, but my guess is that if you live next to a cell tower, you may be getting too much radiation of a sort which is not dangerous when used as directed, further away from cell towers as with most people. Which is why cell towers tend to go up away from houses. So if you are offered a real estate deal which seems too good for your new house, watch out! On the other hand, the relation of even this condition to cancer really seems dubious when there hasn't also been observed general dead zones around cell towers, where no grass or weeds grow, or small animals die a lot.

Just to be on the safe side, I prefer to use the speaker or a headset for my phone, and both are more comfortable for extended conversations anyway.

Decay of radionuclides is ionizing radiation, not electromagnetic radiation.

Cell towers are away from home sites in general because the signal is Line of Site; if the tower is in a canyon, it needs to link to another tower to continue the propagation of the signals it receives and transmits. Also, if it is near a lot of houses, there may be a lot of interference.

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We use X-Rays to treat cancer, not gamma rays, though gamma rays are certainly energetic enough to cause cancer. I'm not sure we have a way of shielding a gamma-ray source for irradiating a patient accurately.

I've always been taught that gamma rays are used to kill the cells, as enough gamma rays, will just kill off the cells, instead of causing more mutation. Apparently the sources can be "aimed" well enough, but then again, this is all high school stuff i was taught so it could be inaccurate as all hell, considering what my high school was like.

I stand corrected, it appears that gamma rays are now used for cancer treatment.